Center hull for a trimaran



FIG. 1 a front elevation view of the center hull for a trimaranembodying our design;

FIG. 2 is a rear elevation view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a side elevation view;

FIG. 6 is a top, front and side perspective view.

The ornamental design for a center hull for a trimaran, as shown anddescribed.